Top 10 closest states, ranked from narrowest margin — by percentage — to widest. If less than 100 percent of precincts are reporting in a state, according to the Associated Press, that is noted in parentheses.

* C = Conservative (GOP – Republicans – Right), L = Liberal (Democrats – Left – Unions)† Indicates that this organization has a 527 committee registered with the IRS. The committee’s 527 spending outside of electioneering communications is NOT included in these totals. Read more about 527s.